isotopic的用法和样例：

例句

用作形容词(adj.)

How could such a change in isotopic composition have come about?同位素的组成有这样的变化，究竟是如何发生的？
Conversely,the isotopic characteristics will be well explained by assuming that the UHPM occurred in the crust instead in the upper mantle.相反，如果认为大别山超高压变质岩就在地壳内形成，则大别山超高压变质岩同位素的所有特征就很好解释了。

词汇搭配

isotopic geothermometer同位素地热温标...
isotopic chemistry同位素化学
isotopic chronometer同位素计时仪...
isotopic ion同位素离子
isotopic separation同位素分离
isotopic element同位素
isotopic mass同位素质量
isotopic dating同位素测定年龄,同位...
isotopic number中(子)质(子)数差...
isotopic multiplicity同位素多重性...
isotopic weight同位素重量
isotopic tracer同位素示踪剂...
isotopic composition同位素组成
isotopic indicator同位素指示剂...
isotopic depletion同位素贫化,同位素剥...
isotopic abundance同位素丰富度,同位素...
isotopic fractionation同位素分馏,同位素分...

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar

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Scientific American(一)月

美国科学60秒 SSS 2012-12-11

What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o

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Scientific American(十二)月

Scientists Closer to Solving Plain of Jars Mystery

Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of

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Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho

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万物简史

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